<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>发生错误</title>
</head>
<body>
    <h1>错误信息如下</h1>
    <hr>
    <p style="color: red;" th:text="${err_msg.note}" th:if="${not #strings.isEmpty(err_msg)}"></p>
</body>
</html>